/*    Google fonts link   */
@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@700&family=Poppins:wght@500;600&display=swap');

/* VARIABLE CSS ( WE USE VARIABLE FOR LESS TYPING AND ALSO BETTER UNDERSTANDING )  */
:root {
    --header-height: 3.5rem;
    --animate-snow-1: animate-snow-1 5s infinite ease-in-out;
    --animate-snow-2: animate-snow-2 5s infinite ease-in-out;


    /* colors made hsl color we used */
    /* hsl color format be like that ( hue , saturation , brightness ) */
    --first-color: hsl(210, 80%, 54%);
    --first-color-alt: hsl(210, 80%, 50%);
    --title-color: hsl(210, 24%, 90%);
    --text-color: hsl(210, 16%, 70%);
    --white-color: #fff;
    --body-color: hsl(210, 32%, 4%);

    /* font and typography  */

    /* .5rem = 8px | 1rem = 16px */
    --body-font: 'Poppins', sans-serif;
    --second-font: 'Dancing Script', cursive;
    --biggest-font-size: 2.5em;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1rem;
    --normal-font-size: .938rem;
    --small-font-size: .813rem;
    --smaller-font-size: .75rem;

    /* font weight */
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;

    /* z index */
    --z-tooltip: 10;
    --z-fixed: 100;
}


/* responsiveness */

@media screen and (min-width:1024px) {
    :root {
        --biggest-font-size: 5rem;
        --h1-font-size: 2.25rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.2rem;
        --normal-font-size: 1rem;
        --small-font-size: 875rem;
        --smaller-font-size: 813rem;
    }
}

/* basic styling */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--body-color);
    color: var(--text-color);
}

h1,
h2,
h3 {
    color: var(--text-color);
    font-weight: var(--font-medium);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/*  reusable css class */
.container {
    max-width: 1024px;
    margin-inline: 1.5rem;
}


.grid {
    display: grid;
    gap: 1.5rem;
}

main {
    overflow: hidden;
    /* for main animation */
}


.section {
    padding-block: 5rem 1rem;
}

.section__title {
    font-size: var(--h1-font-size);
    font-family: var(--second-font);
    text-align: center;
    margin-bottom: 1.5rem;
}

/* snow animation */
@keyframes animate-snow-1 {

    0%,
    100% {
        transform: scale(.5);
    }

    50% {
        transform: scale(1);
    }
}

@keyframes animate-snow-2 {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(.5);
    }
}

/* header & nav section  */
.header {
    position: fixed;
    width: 100%;
    background-color: transparent;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    transition: background .4s;
}

.nav {
    position: relative;
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo,
.nav__toggle,
.nav__close {
    display: flex;
    color: var(--white-color);
}

.nav__logo img {
    width: 30px;
    transform: rotate(-10deg);
}

.nav__logo {
    align-items: center;
    column-gap: .25rem;
    font-family: var(--second-font);
    font-size: var(--h2-font-size);
}

.nav__toggle {
    font-size: 1.25rem;
    cursor: pointer;

}

@media screen and (max-width: 767px) {
    .nav__menu {
        position: fixed;
        top: -100%;
        left: 0;
        background-color: var(--body-color);
        padding-block: 3.5rem;
        transition: top .4s;
    }
}

.nav__list {
    display: flex;
    flex-direction: column;
    text-align: center;
    row-gap: 2rem;
}

.nav__link {
    color: var(--white-color);
    font-weight: var(--font-medium);
    transition: color .4s;
}

.nav__link:hover {
    color: var(--first-color);
}

.nav__close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.nav__img-1,
.nav__img-2 {
    position: absolute;
}

.nav__img-1 {
    width: 40px;
    top: 6rem;
    left: 2.5rem;
    transform: rotate(-15deg);
}


.nav__img-2 {
    width: 60px;
    right: 1rem;
    bottom: 2rem;
    transform: rotate(15deg);
}

/* show menu */
.show-menu {
    top: 0;
    width: 100%;
}

/* Change background color  */
.bg-header {
    background: var(--body-color);
}

/* Active Link  */
.active-link {
    color: var(--first-color);

}

/* home */

.home {
    position: relative;
    background: linear-gradient(180deg,
            hsl(210, 88%, 20%),
            hsl(210, 70%, 58%));
    height: 650px;
    padding-top: 7rem;
    overflow: hidden;
}

.home__title {
    color: var(--white-color);
    font-size: var(--biggest-font-size);
    font-family: var(--second-font);
    text-align: center;
    margin-top: 1.5rem;
}

.home img {
    position: absolute;
}

.home__mountain-1,
.home__snow {
    bottom: 0;
    overflow: hidden;

}

.home__village,
.home__pine,
.home__moon,
.home__trineo {
    left: 0;
    right: 0;
    margin: 0 auto;
}

.home__village {
    width: 260px;
    bottom: 1rem;

}

.home__pine {
    width: 250px;
    bottom: 4rem;
}

.home__mountain-2 {
    bottom: 3rem;
}

.home__mountain-3 {
    bottom: 6rem;
}

.home__moon {
    width: 300px;
    bottom: 8.5rem;
}

.home__trineo {
    width: 250px;
    bottom: 14.5rem;
}

/* about */
.about__container {
    position: relative;
    row-gap: 3.5rem;
}

.about__data {
    text-align: center;
}

.about__description {
    margin-bottom: 2rem;
}

.about__img {
    width: 320px;
    justify-self: center;
}

.about__snow-1,
.about__snow-2 {
    width: 50px;
    position: absolute;
}

.about__snow-1 {
    top: 12rem;
    left: 1.5rem;
    animation: var(--animate-snow-1);
}

.about__snow-2 {
    right: -.75rem;
    bottom: .5rem;
    animation: var(--animate-snow-2);
}

/* BUTTON */
.button {
    display: inline-block;
    background-color: var(--first-color);
    padding: 1rem 2rem;
    border-radius: 4rem;
    color: var(--white-color);
    font-weight: var(--font-medium);
    transition: background .4s box-shadow .4s;
}


.button:hover {
    background-color: var(--first-color-alt);
    box-shadow: 0 8px 32px hsl(210, 80%, 54%, .7);
}


/* Send  */

.send__container {
    position: relative;
    grid-template-columns: 200px;
    justify-content: center;
    row-gap: 3rem;
    padding-top: 1.5rem;
}

.send__card {
    text-align: center;
}

.send_-img {
    width: 180px;
    margin-bottom: .75rem;
}

.send__title {
    font-size: var(--h3-font-size);
    margin-bottom: .5rem;
    color: #fff;
}

.send__description {
    font-size: var(--small-font-size);
    padding-inline: 1.5rem;
}

.send__snow-1,
.send__snow-2,
.send__snow-3 {
    width: 50px;
    position: absolute;
}

.send__snow-1 {
    left: 0;
    top: 7rem;
    animation: var(--animate-snow-1);
}

.send__snow-2 {
    top: 23rem;
    right: 0;
    animation: var(--animate-snow-2);
}

.send__snow-3 {
    bottom: 9rem;
    left: 0;
    animation: var(--animate-snow-1);
}

/* Celebrate section  */
.celebrate__container {
    position: relative;
    row-gap: 3.5rem;
}

.celebrate__data {
    text-align: center;
}

.celebrate__description {
    margin-bottom: 2rem;
}

.celebrate__img {
    width: 320px;
    justify-self: center;
}

.celebrate__snow-1,
.celebrate__snow-2 {
    width: 50px;
    position: absolute;
}

.celebrate__snow-1 {
    top: 1.5rem;
    left: 1.5rem;
    animation: var(--animate-snow-1);
}

.celebrate__snow-2 {
    top: 18rem;
    right: 0;
    animation: var(--animate-snow-2);
}

/* footer */
.footer {
    overflow: hidden;
}

.footer__container {
    position: relative;
    padding-block: 4.5rem 2rem;
    text-align: center;
}

.footer__logo,
.footer__social-link,
.footer__copy {
    color: #fff;
}

.footer__logo {
    display: inline-block;
    font-size: var(--h2-font-size);
    font-family: var(--second-font);
    margin-bottom: 1rem;
}

.footer__socail {
    display: flex;
    justify-content: center;
    column-gap: 1.5rem;

}

.footer__social-link {
    font-size: 1.25rem;
    transition: color .3s;
}

.footer__social-link:hover {
    color: var(--first-color);
}

.footer__copy {
    display: block;
    margin-top: .5rem;
    font-size: var(--normal-font-size);
}


.footer__snow-1,
.footer__snow-2 {
    position: absolute;

}

.footer__snow-1 {
    width: 50px;
    top: 4.5rem;
    left: 0;
    animation: var(--animate-snow-1);
}

.footer__snow-2 {
    width: 70px;
    top: 6.5rem;
    right: -3rem;
    animation: var(--animate-snow-2);
}

/* Scroll Bar  */
::-webkit-scrollbar {
    width: .6rem;
    border-radius: .5rem;
    background-color: hsl(210, 8%, 15%);
}

::-webkit-scrollbar-thumb {
    background-color: hsl(210, 8%, 25%);
    border-radius: .5rem;
}

::-webkit-scrollbar-thumb:hover {
    background-color: hsl(210, 8%, 35%);
}


/* SCROLL UP style  */
.scrollup {
    position: fixed;
    right: 1rem;
    bottom: -50%;
    background-color: var(--white-color);
    display: inline-flex;
    padding: .45rem;
    border-radius: .45rem;
    font-size: 1rem;
    color: var(--body-color);
    z-index: var(--z-tooltip);
    transition: bottom .3s transform .3s;
}

.scrollup:hover {
    transform: translateY(-.25rem);

}

/* Show Scroll Up  */
.show-scroll {
    bottom: 3rem;

}

/* RESPONSIVENESS  */
/* for medium devices  */
@media screen and (min-width: 567px) {
    .home__village {
        width: 360px;
    }

    .home__pine {
        width: 360px;
    }

    .about__container,
    .celebrate__container {
        grid-template-columns: .6fr;
        justify-content: center;
    }
}

@media screen and (min-width:767px) {

    .nav__toggle,
    .nav__close,
    .nav__img-1,
    .nav__img-2 {
        display: none;
    }

    .nav__list {
        flex-direction: row;
        column-gap: 4rem;
    }

    .home {
        height: 800px;
    }

    .home__village {
        width: 460px;
    }

    .home__pine {
        width: 400px;
        bottom: 7rem;
    }

    .home__moon {
        width: 450px;
        bottom: 12rem;
    }

    .home__trineo {
        width: 350px;
        bottom: 20rem;
    }

    .send__container {
        grid-template-columns: repeat(2, 200px);
        column-gap: 5rem;
    }
}

/* for larger devices  */
@media screen and (min-width:1024px) {
    .section{
        padding-block: 7rem 3rem;
    }

    .home__title{
        font-size: 4rem;
    }

    .nav{
        height: calc(var(--header-height) + 1.5rem);
    }

    .about__container{
        grid-template-columns: 500px 350px ;
        align-items: center;
        column-gap: 6rem;
    }

    .about__data,
    .about__data .section__title{
        text-align: initial;
    }

    .about__img{
        width: 500px;
        order: -1;
    }

    .about__snow-1{
        top: 0;
        left: 0;
    }

    .about__snow-2{
        right: 10rem;
        bottom: 3.5rem;
    }
    .send__container{
        grid-template-columns: repeat(3,220px);
        column-gap: 7.5rem;
    }

    .send__img{
        margin-bottom: 1rem;
    }

    .send__description{
        font-size: var(--normal-font-size);
    }

    .send__snow-1{
        left: -1rem;
        top: -1rem;
    }

    .send__snow-2{
        top: 3rem;
    }

    .send__snow-3{
        left: 22rem;
        bottom: 0;
    }

    .celebrate__container{
        grid-template-columns: 400px 500px;
        align-items: center;
        column-gap: 6rem;
    }
    
    .celebrate__data,
    .celebrate__data .section__title{
        text-align: initial;
    }

    .footer__container{
        padding-block: 5.5rem  3rem ;
    }

    .footer__socail{
        column-gap: 2rem;
    }

    .footer__social-link{
        font-size: 1.5rem;
    }

    .footer__snow-1{
        top: 8.5rem;
        left: 10rem;
    }

    .footer__snow-2{
        top: 8rem;
        right: 4rem;
    }

    .footer__copy{
        margin-top: 4rem;
    }

    .scrollup{
        right: 3rem;
    }
}

@media screen and (min-width:1064px){
    .container{
        margin-inline: auto;
    }
}

@media screen and (min-width:1200px){
    .home{
        height: 980px;
    }

    .home__title{
        font-size: var(--biggest-font-size);
    }

    .home__mountain-1,
    .home__mountain-2,
    .home__mountain-3,
    .home__snow{
         width: 100%;
    }

    .home__village{
        width: 750px;
        bottom: 4rem;
    }

    .home__pine{
        width: 720px;
        bottom: 12.5rem;
    }

    .home__mountain-1,
    .home__mountain-2{
        bottom: -0.5rem;
    }

    .home__moon{
        width: 600px;
        bottom: 14rem;
    }

    .home__trineo{
        width: 500px;
        bottom: 28rem;
    }

}


/* for 2k+ resolution  */

@media screen and (min-width:1700){
   .home{
    max-width: 1280px;
    height: 900px;
    margin-inline: auto;
   }

}